I-533 Precision Temperature Controller & Regulator for HVAC, Industrial Automation, and Home Brewing Applications

ISTA CO2 Controller/Regulator (Side Facing), and a reliable Germany made solenoid. The ISTA CO2 Controller features a stainless steel electromagnetic regulator and solenoid valve for simple and convenient aquarium CO2 injection. The CO2 Controller can easily be installed onto standard CO2 cylinders. Great for use with freshwater-planted aquariums, calcium reactors for saltwater reef aquariums or other CO2 injection systems. Connect to an aquarium timer or pH controller for automated aquarium CO2 injection. Pressure gauge with stainless steel cover to endure corrosion. Easy assembly, no tool required in fastening to the CO2 cylinder. Safety valve prevents danger from over pressurizing. Easy and accurate CO2 flow adjustment. To prevent back water flow into the CO2 Controller, using a check valve is required.

Precision needle valve provides stable and accurate CO2 output

Dual gauge indicators show different pressure volume, one indicates the pressure inside the bottle, and the other one shows the depressurize power

Made with stainless steel, anti-rust

Hand air-tighten design, no tool required

High quality, silent, and safe to use